Tuesday

Audi TT engine number placment / location/ Engine code meaning.

The engine number ("Engine code" and "Serial number") can be found at the front next to the join between engine and gearbox as shown in the diagram below:

Image


There is also a sticker on the cylinder head cover showing the engine code and serial number.

The engine code is also included on the vehicle data sticker.

Note:

The engine code is also stamped on the right lifting eye as shown in the photo below (engine cover removed):

Image


Code·····kW·····BHP····Litres····Cyl.····Mounting Time····Model
AJQ·······132·····180·······1.8········4······10/98-08/00·········Audi TT (8N)
APP·······132·····180·······1.8········4······09/99-09/00·········Audi TT (8N)
APP·······132·····180·······1.8········4······09/99-10/01·········Audi TT (8N)
APX·······165·····225·······1.8········4······10/98-08/01·········Audi TT (8N)
ARY·······132·····180·······1.8········4······09/00-05/05·········Audi TT (8N)
AUM······110·····150·······1.8········4······01/01-06/06·········Audi TT (8N)
AUQ······132·····180·······1.8········4······09/00-06/06·········Audi TT (8N)
BAM······165·····225·······1.8········4······07/01-08/02·········Audi TT (8N)
BAM······165·····225·······1.8········4······09/00-06/06·········Audi TT (8N)
BFV·······180·····245·······1.8········4······03/05-06/06·········Audi TT (8N)
BHE·······184·····250·······3.2········6······07/03-06/06·········Audi TT (8N)
BVR·······140·····190·······1.8········4······09/05-06/06·········Audi TT (8N)
BPF·······184·····250·······3.2········6······06/04-05/05·········Audi TT (8N)
BVP·······120·····163·······1.8········4······09/05-06/06·········Audi TT (8N)
BPY·······147·····200·······2.0········4······03/07-··················Audi TT (8J)
BUB·······184·····250·······3.2········6······08/06-·················Audi TT (8J)
BWA······147·····200·······2.0········4······08/06-·················Audi TT (8J)
CBBB·····125·····170·······2.0········4······06/08-·················Audi TT (8J) Coupe 2.0
CBBB·····125·····170·······2.0········4······06/08-·················Audi TT (8J) Roadster 2.0
CCZA·····147·····200·······2.0········4······06/08-·················Audi TT (8J) Coupe 2.0
CCZA·····147·····200·······2.0········4······06/08-·················Audi TT (8J) Roadster 2.0 Quattro
CDAA·····118·····160·······1.8········4······06/08-·················Audi TT (8J)
CDLA·····195·····265·······2.0········4······05/08-·················Audi TTS (8J) Coupe 2.0
CDLA·····195·····265·······2.0········4······05/08-·················Audi TTS (8J) Roadster 2.0
CDLB·····200·····272·······2.0········4······05/08-·················Audi TTS (8J) Coupe 2.0
CDLB·····200·····272·······2.0········4······05/08-·················Audi TTS (8J) Roadster 2.0



All these engine codes! Can you explain what they mean?
Below is a table of the most common 1.8T 20v engine codes:
If you prefer, you can also view a chart of engine codes here 
The engine code can be found stamped on the front of the cylinder head close to the camshaft position sensor.
Please note that the longitudinally mounted engines require many modifcations to fit and are generally best avoided for transverse applications.  The only exception is the Mk1 see here
Engine CodeApplicationModel YearsStd PowerQPEng PowerBig Port? DBW Y/N?MountedCRTurbo
AEB
Audi A4 1.8T
Audi A6 1.8T
VW Passat 1.8T
95-98
150
200
Y
N
Longitudinal
9.5:1
K03
APU
Audi A4 1.8T
Audi A6 1.8T
VW Passat 1.8T
98-00
150
200
 N
Y
Longitudinal
9.5:1
K03
 AWT
Audi A4 1.8T
Audi A6 1.8T
VW Passat 1.8T
 00-02150 200 
 N
Y Longitudinal 9.5:1 K03
AGU
Golf GTi 1.8T
Audi A3 1.8T
Skoda Octavia
97-00


150
200
Y
N
Transverse
9.5:1
K03
 AVJ
Audi A4 1.8T
00-02
150
200
 N
Y
Longitudinal
9.5:1
K03
 ARZ
Golf GTi 1.8T
Audi A3 1.8T 
Skoda Octavia 
 99-01
 150
200
 N
Y
Transverse
9.5:1
K03
APH/AVC
VW Beetle 1.8T
99-00
150
200
 N
Y
Transverse
9.5:1
K03
AUM/ARX
Audi A3 1.8T
Audi TT
Skoda Octavia
VW Golf Gti
VW Bora 1.8T
00-05

150
230
 N
Y
Transverse
9.5:1
K03s
AWC
VW Sharan 1.8T
Seat Alhambra 1.8T 
00-04
150
200
 N
Y
Transverse
9.5:1
K03
 BJX
 Ibiza Sport/FR
Polo GTi 
04-08
 150
 230
 N
 Y
 Transverse
 9.5:1
K03s
 AJH
VW Sharan 1.8T 
Seat Alhambra 1.8T 
 97-00
 150
 200
 Y
 N
 Transverse
 9.5:1
 K03
AQX
Seat Ibiza Cupra
99-00
155
200
 N
Y
Transverse
9.5:1
K03
AYP
Seat Ibiza Cupra
00-01
155
200
 N
Y
Transverse
9.5:1
K03
 BVP
 Audi TT
05-06
163
230
 N
Y
Transverse
9.5:1
K03s
 BFB
Audi A4 1.8T
 04-07
 163
 200
 N
Y
Longitudinal
 9.5:1
K03s
AJL
Audi A4 1.8T
Audi A6 1.8T
97-00
180
200
 N
N
Longitudinal
9.5:1
K03
AJQ
Audi A3 1.8T
Audi TT
Seat Leon Cupra
98-00

180
200
 N
Y
Transverse
9.5:1
K03
APP
Audi A3
Audi TT
Seat Leon Cupra
99-00

180
200
 N
Y
Transverse
9.5:1
K03
AUQ/ARY
Audi A3
Audi TT
Seat Leon Cupra
Skoda Octavia RS
VW Bora 1.8T
VW Golf GTi
00-05
180
230
 N
Y
Transverse
9.5:1
K03s
BBU 
 Ibiza Cupra
Polo GTi Cup 
 05-08
180
230
 N
Y
Transverse
9.5:1
K03s
BEX
Audi A4 1.8T
02-03
190
200
 N
Y
Longitudinal
9.5:1
K03s
 BVRAudi TT 05-06 190 230  NTransverse 9.5:1 K03s 
APY
Audi S3
98-01
210
270
 N
Y
Transverse
9:1
K04
AMK
Seat Leon Cupra R
Audi S3 
02-03
210
270
 N
Y
Transverse
9:1
K04
APX
Audi TT
98-00
225
270
 N
Y
Transverse
9:1
K04
BAM
Audi S3
Audi TT
Seat Leon Cupra R
00-05

225
270
 N
Y
Transverse
9:1
K04
BFV
Audi TT Sport
05-06
240
270
 N
Y
Transverse
9:1
K04

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